1. Department of Chemical Engineering and Biotechnology, University of Cambridge, Cambridge, U.K.
2. Neurodegeneration and Mental Health Research Group, School of Community Based Medicine, University of Manchester, Manchester, U.K.
3. Centre for Neuropathology and Prion Research, Ludwig-Maximilians-University, Munich, Germany
4. Department of Neuropathology, Albert-Ludwigs-University, Freiburg, Germany
5. The Walton Centre for Neurology and Neurosurgery, Liverpool, U.K.
6. Department of Neuroscience, Erasmus Medical Centre, Rotterdam, The Netherlands